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Tree Selection for the 21st Century

Greg McPherson standing with a tree and its environmental benefit price tag

Tree Selection for the 21st Century
December 13, 2017

Greg McPherson, USDA Forest Service

Urban forestry can be an elegant strategy for increasing tree canopy, managing stormwater, and capturing carbon. Selecting trees to provide these services requires science-based information on the relative performance of different species over time within the context of a changing climate. In this webinar, Greg McPherson presents new research findings on climate-ready tree evaluation, urban tree biometrics, and surface water storage capacity to illustrate differences among species. On the eve of his retirement from the USDA Forest Service, Greg will also share his observations regarding urban forestry's most memorable events, intrepid leaders, and ground-breaking research.


View the webinar podcast

Tree Selection for the 21st Century
Selecting Trees to Maximize Future Carbon Dioxide and Rainfall Interception Storage Benefits
Greg McPherson
Research Forester
USDA Forest Service


Resources Mentioned in the Webinar

Climate Ready Trees Project
Background and updates on the Climate Ready Trees Project, which evaluates the ability of promising but underused species to tolerate future climate stressors.

Performance Testing to Identify Climate-Ready Trees
This study, published in Urban Forestry & Urban Greening, describes a five-step process to identify tree species best adapted to climate stressors.

Surface Water Storage Capacity of Twenty Tree species in Davis, California
Published in the Journal of Environmental Quality, this article quantifies the potential for different tree species to intercept rainfall under a variety of meteorological conditions.

US Forest Service Resources

Urban Tree Database and Allometric Equations
The Urban Tree Database includes 365 sets of tree growth equations developed for 171 distinct species. The General Technical Report provides information on data collection, equation development, and a user guide that illustrates application of the equations to calculate carbon storage. The online database includes the raw data, growth equations, coefficients, application information for each species' volume and dry-weight-biomass equations for urban and rural forest trees, and an expanded list of biomass density factors for common urban tree species.

Pacific Southwest Research Station: Urban Forestry Research Topic
The Pacific Southwest Research Station provides links to its urban forest research.